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iteratorrole.go
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216 lines (187 loc) · 4.66 KB
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/*
* === This file is part of ALICE O² ===
*
* Copyright 2018 CERN and copyright holders of ALICE O².
* Author: Teo Mrnjavac <teo.mrnjavac@cern.ch>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* In applying this license CERN does not waive the privileges and
* immunities granted to it by virtue of its status as an
* Intergovernmental Organization or submit itself to any jurisdiction.
*/
package workflow
import (
"errors"
"strconv"
"github.com/AliceO2Group/Control/core/task"
"github.com/AliceO2Group/Control/core/task/constraint"
"github.com/gobwas/glob"
)
type iteratorRole struct {
aggregator
For iteratorInfo `yaml:"for,omitempty"`
template roleTemplate
}
type templateMap map[string]interface{}
type roleTemplate interface {
Role
generateRole(t templateMap) (Role, error)
}
func (i *iteratorRole) UnmarshalYAML(unmarshal func(interface{}) error) (err error) {
auxUnion := _unionTypeProbe{}
role := iteratorRole{}
err = unmarshal(&auxUnion)
if err != nil {
return
}
auxFor := struct {
For iteratorInfo `yaml:"for"`
}{}
err = unmarshal(&auxFor)
if err != nil {
return
}
var template roleTemplate
switch {
case auxUnion.Roles != nil && auxUnion.Task == nil:
template = &aggregatorTemplate{}
case auxUnion.Task != nil && auxUnion.Roles == nil:
template = &taskTemplate{}
default:
err = errors.New("invalid template role in iterator")
return
}
err = unmarshal(template)
if err != nil {
return
}
role.template = template
role.For = auxFor.For
// FIXME: if Name does not contain {{ }}, we must bail!
err = role.expandTemplate()
if err != nil {
return
}
*i = role
return
}
type iteratorInfo struct {
Begin int `yaml:"begin"`
End int `yaml:"end"`
Var string `yaml:"var"`
}
func (f *iteratorInfo) UnmarshalYAML(unmarshal func(interface{}) error) (err error) {
aux := struct{
Begin string `yaml:"begin"`
End string `yaml:"end"`
Var string `yaml:"var"`
}{}
err = unmarshal(&aux)
if err != nil {
return
}
f.Begin, err = strconv.Atoi(aux.Begin)
if err != nil {
return
}
f.End, err = strconv.Atoi(aux.End)
if err != nil {
return
}
f.Var = aux.Var
return
}
func (i *iteratorRole) GlobFilter(g glob.Glob) (rs []Role) {
rs = make([]Role, 0)
for _, chr := range i.Roles {
chrs := chr.GlobFilter(g)
if len(chrs) != 0 {
rs = append(rs, chrs...)
}
}
return
}
func (i *iteratorRole) ProcessTemplates() (err error) {
if i == nil {
return errors.New("role tree error when processing templates")
}
for _, role := range i.Roles {
err = role.ProcessTemplates()
if err != nil {
return
}
}
return
}
func (i *iteratorRole) expandTemplate() (err error) {
values := make(templateMap)
roles := make([]Role, 0)
for j := i.For.Begin; j <= i.For.End; j++ {
values[i.For.Var] = strconv.Itoa(j)
var newRole Role
newRole, err = i.template.generateRole(values)
if err != nil {
return
}
roles = append(roles, newRole)
}
i.Roles = roles
return
}
func (i *iteratorRole) GetParent() Updatable {
if i == nil || i.template == nil {
return nil
}
return i.template.GetParent()
}
func (i *iteratorRole) GetParentRole() Role {
if i == nil || i.template == nil {
return nil
}
return i.template.GetParentRole()
}
func (i *iteratorRole) GetName() string {
if i == nil || i.template == nil {
return ""
}
return i.template.GetName()
}
func (i *iteratorRole) GetPath() string {
if i == nil || i.template == nil {
return ""
}
return i.template.GetPath()
}
func (i *iteratorRole) GetStatus() task.Status {
panic("implement me")
}
func (i *iteratorRole) GetState() task.State {
panic("implement me")
}
func (i *iteratorRole) setParent(role Updatable) {
i.template.setParent(role)
for _, v := range i.Roles {
v.setParent(role)
}
}
func (i *iteratorRole) getConstraints() (cts constraint.Constraints) {
if i == nil {
return
}
if parentRole := i.GetParentRole(); parentRole != nil {
cts = parentRole.getConstraints()
}
return
}